Source:Wm-johnston-estate-plan
From Pittsburgh Streets
"Plan of lots laid out at the instance and request of John Wilkinson administrator of the estate of the late William Johnston deceased: Situate in the Borough of Lawrenceville Allegheny County Pennsylvania." Laid out Mar. 16, 1860; recorded Mar. 30, 1860, Plan Book 2, p. 147. Allegheny County Recorder of Deeds 3778417.
